Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: May 22, 2026

Clinical Imaging of Microwave Mammography
05:28

Clinical Imaging of Microwave Mammography

Published on: November 14, 2025

Mammographic system performance using an image reading qualification method.

Silvio R Pires1, Regina B Medeiros

  • 1Departamento de Informática em Saúde, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Botucatu, 862 (térreo), Vila Clementino, São Paulo, SP CEP 04023-062, Brazil. srpires@unifesp.br

Radiological Physics and Technology
|May 2, 2012
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

An Approach to Establishing Diagnostic Reference Levels in Interventional Pediatric Cardiology from Different Regions of Brazil.

Children (Basel, Switzerland)·2024
Same author

Characterization of the imaging settings in screening mammography using a tracking and reporting system: A multi-center and multi-vendor analysis.

Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB)·2020
Same author

Comparing mammographic images.

IEEE engineering in medicine and biology magazine : the quarterly magazine of the Engineering in Medicine & Biology Society·2008
Same author

Ballistic ureteroscopic lithotripsy in prepubertal patients: a feasible option for ureteral stones.

International braz j urol : official journal of the Brazilian Society of Urology·2006
Same author

Indications for percutaneous nephrostomy in patients with obstructive uropathy due to malignant urogenital neoplasias.

International braz j urol : official journal of the Brazilian Society of Urology·2005

This study evaluated mammography systems using a statistical phantom to assess microcalcification and fiber detection. The developed method reliably quantifies image quality and radiologist performance, identifying issues with uncalibrated equipment.

Area of Science:

  • Medical Imaging
  • Radiology
  • Quality Assurance

Background:

  • Mammography is crucial for early breast cancer detection.
  • Evaluating mammography system performance is essential for diagnostic accuracy.
  • Microcalcifications and fibers are key indicators requiring precise detection.

Purpose of the Study:

  • To evaluate mammography systems for microcalcification and fiber detection.
  • To develop a quantitative method for assessing radiologist performance and image quality.
  • To identify performance changes related to equipment calibration and image quality loss.

Main Methods:

  • Utilized the ALVIM statistical phantom for image acquisition under varied exposure conditions.
  • Involved 5 experienced radiologists interpreting phantom images.

More Related Videos

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
13:44

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Published on: August 30, 2013

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
15:48

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging

Published on: December 15, 2014

Related Experiment Videos

Last Updated: May 22, 2026

Clinical Imaging of Microwave Mammography
05:28

Clinical Imaging of Microwave Mammography

Published on: November 14, 2025

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
13:44

Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns

Published on: August 30, 2013

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
15:48

Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging

Published on: December 15, 2014

  • Employed dedicated software to calculate kappa values, ROC curves, and detection rates.

    • Main Results:

    • Established three kappa (K) value ranges for performance quantification: unacceptable (K ≤ 0.64), achievable (K ≥ 0.70), and acceptable (0.64 < K < 0.70).
    • Demonstrated high reliability (99.5%, p < 0.005) in performance comparisons.
    • Showed increased kappa value dispersion for low-contrast images from uncalibrated mammography equipment, indicating sensitivity to image quality degradation.

    Conclusions:

    • The developed method effectively quantifies mammography system performance and radiologist detection capabilities.
    • The technique can reliably detect performance decrements linked to poor image quality and equipment calibration issues.
    • This evaluation framework supports quality control in mammography, ensuring diagnostic efficacy.